PHP

In actual projects or self-compiled gadgets (such as news aggregation, product price monitoring, and price comparison), data is usually obtained from the 3rd-party website or API, to improve the performance of a URL queue, you can use the curl_multi

Php cannot open the excel file after downloading the excel file. For more information, see use php to download the excel file, 1. do not output any non-file information, such as echo log information, during the download process. Otherwise, the

This download instance combines the header function with the whilefread function to split the file and then send it to the client. it supports the Chinese file name and calculates a standard file download instance. The code is as follows: /* =======

This article describes how to use the Sina interface of php to query ip addresses to obtain geographical locations. The code is as follows: Function getIPLoc_sina ($ queryIP ){ $ Url = 'http: // int.dpool.sina.com.cn/iplookup/iplookup.php?

This article mainly introduces the basic operations of Zend_Cache file caching. for a simple example, you can refer to the basic operations of Zend_Cache file caching. Some comments have been written in the code. let's take a look at them. The

This article mainly introduces the problem of exporting excel data in php format. if you need it, please refer to it and hope to help you. Solve two problems:1. text data such as ID cards is automatically converted into scientific notation. 2.

This article mainly introduces the example of using reflection to insert objects in php. For more information, see The code is as follows: /** * Insert insertModel (), which is less efficient by reflection. * @ Param class $ model object * @ Param

This article mainly introduces a function for php to send post requests, which is often used in development. For more information, see The code is as follows: Function do_post_request ($ url, $ data, $ optional_headers = null) { $ Params =

I encountered a problem today, so that a page can be opened on the PC and the PC cannot be opened directly. here is how I use it. I will share it with you now. The code is as follows: $ User_agent = $ _ SERVER ['http _ USER_AGENT ']; If (strpos ($

This article mainly introduces how to delete the empty values of arrays in PHP. if you need to delete null values of arrays, you can refer to the following statement. in the past, all null values in the array were strongly written into foreach or

This article mainly introduces the parameter description and usage of the phpsetcookie function. if you need it, refer to the parameter description of the php setcookie function. Usage: Setcookie (name, value, expire, path, domain, secure)

This article mainly introduces the solution to slow phpmyadmin access. this problem is generally caused by phpmyadmin version detection, because the official website of phpmyadmin sometimes cannot be opened, in this case, you only need to cancel the

What is Mysqli? I will not describe it here. Because there are countless tutorials on Mysqli on the Internet, I will introduce you to an operation database class based on Mysqli (M. class. php) this type of library is simple and easy to use, so that

This article mainly introduces the example of using smtp to send mails supporting attachments in php. it requires an smtp server and the code has been used in practice for many times. if you need it, refer to the lightweight PHP email sending

This article mainly describes the details that need to be paid attention to when using json_encode. no matter whether the returned result is an array or json, it does not mean that this must be an error returned result. when the front-end requires

The conversion of GBK and UTF-8 encoding is a very disgusting thing, such as json_encode in PHP itself does not support GBK encoding. There are two library functions that support encoding conversion. Generally, the iconv function can be used very

I have been studying it for a long time. I don't know if I don't know how to study it. I can do too many things at the next hop. let's look at the development experience of payment first, in the future, we will gradually complete the development

This article mainly describes how to find the php configuration file php. there are two methods for ini path. many users cannot find php after installing php. ini, or an environment installed by others. The method in this article is simple and

Today, I improved some details of my blog, including modifying the "current position" on the topic page and article page ". ThinkPHP In the past, there were very few columns, and they were done in an endless way (the name of the homepage> topic).

This article describes how to replace spaces in strings with commas in php. I feel pretty good. you can refer to today's online article about replacing the space in the string with commas (,) in php and save it as a diary. The code is as follows: